| Business | Phone |
| American Red Cross 600 N Airport Rd, Hammond 70401 | (985) 542-3469 |
| Zemurray Community Ctr 201 W Coleman Ave, Hammond 70403 | (985) 542-3700 |
| Tangipahoa Parish Animal Cntrl 15487 W Club Deluxe Rd, Hammond 70403 | (985) 543-0215 |
| Hammond Building Dept 106 N Cherry St, Hammond 70401 | (985) 543-3220 |
| Hammond City Bookkeeping 310 E Charles St, Hammond 70401 | (985) 542-3412 |
| Hammond City Administrator 310 E Charles St, Hammond 70401 | (985) 542-3403 |
| Hammond City Cemeteries 18104 Highway 190 E, Hammond 70401 | (985) 542-3417 |
| Hammond City Court 303 E Thomas St, Hammond 70401 | (985) 542-3450 |
| Hammond City Council 310 E Charles St, Hammond 70401 | (985) 542-3406 |
| Hammond City Criminal Div 303 E Thomas St, Hammond 70401 | (985) 542-3460 |
| Hammond City Juvenile Div 206 E Thomas St, Hammond 70401 | (985) 542-3457 |
| Hammond City Payroll 310 E Charles St, Hammond 70401 | (985) 542-3411 |
| Hammond City Personnel 310 E Charles St, Hammond 70401 | (985) 542-3424 |
| Hammond City Registrar-Voters 15475 W Club Deluxe Rd, Hammond 70403 | (985) 345-3717 |
| Hammond City Small Claims Div 303 E Thomas St, Hammond 70401 | (985) 542-3451 |
| Hammond Downtown Development 2 W Thomas St, Hammond 70401 | (985) 542-3471 |
| Hammond Fins Coordinator 303 E Thomas St, Hammond 70401 | (985) 543-3290 |
| Hammond Main Street Manager 310 E Charles St, Hammond 70401 | (985) 542-3471 |
| Hammond Marriage License Dept 318 Nw Railroad Ave A, Hammond 70401 | (985) 549-1638 |
| Hammond Marshal's Office 303 E Thomas St, Hammond 70401 | (985) 542-3445 |
| Health Unit 15481 W Club Deluxe Rd, Hammond 70403 | (985) 543-4165 |